package com.tedu.mybatis.mapper;

import com.tedu.mybatis.pojo.Comment;
import com.tedu.mybatis.pojo.CommentVO1;
import com.tedu.mybatis.pojo.CommentVO2;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface CommentMapper {
    @Insert("INSERT INTO comment(content,created,user_id,weibo_id) " +
            "VALUES(#{content},#{created},#{userId},#{weiboId})")
    int insertComment(Comment comment);

    @Delete("DELETE FROM comment WHERE id=#{id}")
    int deleteCommentById(Integer id);

    @Update("UPDATE comment " +
            "SET content=#{content},created=#{created},user_id=#{userId},weibo_id=#{weiboId} " +
            "WHERE id=#{id}")
    int updateCommentById(Comment comment);

    @Select("SELECT content,user_id " +
            "FROM comment " +
            "WHERE id=#{id}")
    CommentVO1 selectCommentById(Integer id);

    @Select("SELECT id,content,user_id FROM comment WHERE user_id=#{userId}")
    List<CommentVO2> selectCommentByUserId(Integer userId);

}
